5-day weather forecast Reykjavík Oct 15, 2026

8°1° · Overcast

Weather forecast Reykjavík tomorrow Oct 15, 2026: overcast, temperature from 1 °C to 8 °C.

Precipitation probability 64%. Wind up to 17.69 m/s (gusts 22.11 m/s). Air humidity 62–80%, atmospheric pressure 727–754 mm Hg, UV index up to 0.5.

5 days at a glance — tap a day to open it
Sunrise 08:18
Sunset 18:08
Waxing Crescent27% illuminated
Moonrise does not rise today · Moonset does not set today
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Table

Forecast from 1 °C to 8 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)332221111122222335678888
Precipitation (mm/hr)0.0300.020.010.010000000000000.010.630.560.410.40.410.36

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)100981001009710010010010010010010010010010010099961001001001008672
Rain chance (%)302029272020191917171718181716161618646047474438

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)17.1917.6916.515.391513.3912.1111.199.617.815.815.1942.891.610.523.897.199.3910.6910.6910.3110.31
Wind gust (m/s)22.0322.1120.3118.3317.6115.9216.4216.191512.118.336.034.443.111.610.642.145.699.5311.6411.8112.0311.8311.89
Wind direction (°)NNW 340°NNW 339°NNW 342°NNW 343°NNW 343°NNW 344°N 352°N 356°N 349°N 352°N 351°NNW 342°N 352°NNE 13°NNE 28°ESE 116°SE 146°SSE 168°SSW 202°SSW 212°SW 228°SW 229°SW 234°SW 232°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)767277747372706966646467686663626469807676767677

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)727729731734736737740741743744746746748748749749750751751752752752753754

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000000.10.30.40.50.50.40.20.1000000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)11.11.11.21.11.21.31.31.41.41.41.41.41.41.51.51.62.12.21.91.81.51.42
PM10 (µg/m³)5.45.34.74.13.63.12.72.92.92.93.54.155.75.95.965.85.65.34.64.54.96.8
Ozone (O₃) (µg/m³)767778787879797978787978787876767571686872747675
NO₂ (µg/m³)0.20.30.30.30.30.40.50.60.81.11.21.41.82.63.43.13.94.36.85.74.22.82.22.1
SO₂ (µg/m³)0.10.10.10.10.10.20.20.20.20.411.31.72.12.32.95.55.65.14.32.61.81.62.5
CO (µg/m³)150151151151150150151151152153154156159165167170176183193188175169164163

Reykjavík on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.